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CN-224213741-U - Lifting scaffold

CN224213741UCN 224213741 UCN224213741 UCN 224213741UCN-224213741-U

Abstract

The utility model discloses a lifting scaffold which comprises a frame, a lifting driving mechanism, an operating platform, a ladder and a movable wheel group, wherein the frame is a three-dimensional supporting frame formed by welding metal pipes, the lifting driving mechanism is symmetrically arranged in upright posts on two sides of the frame and comprises a bevel gear screw rod lifter, a linkage synchronous shaft and a power input mechanism, the operating platform is in sliding connection with the frame through the lifting driving mechanism, foldable guardrails are arranged on the periphery of the operating platform, a plurality of transverse stiffening beams are arranged at the bottom of the operating platform, and hinged transparent baffles are arranged at the edges of the operating platform. From this, linkage synchronizing shaft cooperation bevel gear lead screw lift realizes both sides lift axle simultaneous movement, and the lift is from taking self-locking function, and the landing of platform when preventing the operation, and location universal wheel combines with the expandable supporting leg, packs up the supporting leg when moving, expands when the operation and forms four-point support, promotes stability, collapsible guardrail, rotatory accomodate ladder and articulated baffle, reduces equipment transportation volume by a wide margin, promotes space utilization.

Inventors

  • CAI RI

Assignees

  • 陕西优乐曼建筑安装工程有限公司

Dates

Publication Date
20260508
Application Date
20250605

Claims (5)

  1. 1. The lifting scaffold is characterized by comprising a frame (1), a lifting driving mechanism (2), an operating platform (3), a ladder (4) and a moving wheel set (5), wherein, The frame (1) is a three-dimensional support frame formed by welding metal pipes; The lifting driving mechanisms (2) are symmetrically arranged in upright posts at two sides of the frame (1) and comprise bevel gear screw rod lifters (21), linkage synchronizing shafts (22) and power input mechanisms (23); The operation platform (3) is in sliding connection with the frame (1) through the lifting driving mechanism (2), foldable guardrails (31) are arranged on the periphery of the platform, a plurality of transverse stiffening beams (32) are arranged at the bottom, and hinged transparent baffles (33) are arranged at the edges of the platform; The ladder (4) is hinged to the side face of the frame (1) through a hinge, a containing groove (41) is formed in the bottom of the ladder, and a rotary lifting slide block mechanism (42) is arranged at the top of the ladder; the movable wheel set (5) comprises four positioning universal wheels (51) and expandable support legs (52), the four positioning universal wheels (51) are fixedly arranged at four corners of the bottom of the frame (1), the expandable support legs (52) are hinged to the lower end of the frame (1) through independent rotating shafts, are in contact with the ground after being expanded, and are staggered from the universal wheels (51) in position during storage.
  2. 2. Lifting scaffold according to claim 1, characterized in that the bevel gear screw lifter (21) is vertically arranged in the upright posts at two sides of the frame (1), and is fixedly connected with a lifting shaft (24) inside, and when the bevel gear screw lifter (21) rotates, the lifting shaft (24) is driven to slide up and down; the linkage synchronizing shaft (22) transversely penetrates through the middle of the frame (1), and two ends of the linkage synchronizing shaft are respectively meshed with a transmission gear of the bevel gear screw rod lifter (21); The power input mechanism (23) is symmetrically arranged at the outer output ends of the bevel gear screw rod lifters (21) at two sides and comprises a manual rocking handle and an electric tool interface.
  3. 3. Lifting scaffold according to claim 1, characterized in that the transverse stiffening beams (32) of the operating platform (3) are welded and fixed by a cross grid structure, the foldable guardrail (31) consists of a plurality of sections of hinged rods and can be folded down to be flush with the platform, and the transparent baffle (33) is hinged to the edge of the platform and can be rotated upwards to be opened upwards by an angle of 45 °.
  4. 4. Lifting scaffold according to claim 1, characterized in that the receiving recess (41) is provided in a slot of a bottom cross beam of the frame (1); The rotary lifting slide block mechanism (42) comprises a guide rail (421) and a slide block (422), and the guide rail (421) is vertically fixed on the side surface of the frame (1); one end of the sliding block (422) is slidably arranged on the guide rail (421), the other end of the sliding block is hinged with one end of the top of the ladder (4), and the sliding block is accommodated in the accommodating groove (41) by rotating the ladder (4).
  5. 5. A lifting scaffold according to claim 1, wherein the extendable support leg (52) comprises four sets of swivel support brackets (521) and anti-slip support pads (522), wherein, The four groups of rotary support frames (521) are hinged to four corners of the lower end of the frame (1) through rotating shafts; The anti-slip support pad (522) is connected to the tail ends of the four groups of rotating support frames (521) through a pedal-type pressing mechanism.

Description

Lifting scaffold Technical Field The utility model relates to the technical field of building construction equipment, in particular to a lifting scaffold. Background Scaffold is the common equipment of ascending a height in the fields of building construction, decoration and the like. The traditional scaffold has the following technical defects: 1. the lifting synchronism is insufficient, most of the lifting platforms adopt single-side driving or independent lifting structures, so that the operation platforms are easy to incline, and potential safety hazards exist; 2. The moving and supporting switching is inconvenient, the fixed supporting structure occupies large space, the fixed supporting structure needs to be manually carried during moving, or a moving wheel group lacks stable supporting design, and the fixed supporting structure is easy to shake during operation; 3. the storage convenience is poor, parts such as a ladder, a guardrail and the like are mostly fixed, the parts need to be disassembled during storage, the operation is complex, and the transportation space is occupied; therefore, a scaffold structure having synchronous lifting, modular storage, multi-mode driving and excellent stability is needed. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide a lifting scaffold, a linkage synchronizing shaft is matched with a bevel gear screw rod lifter to realize synchronous movement of lifting shafts at two sides, the lifter has a self-locking function, a platform is prevented from sliding off during operation, positioning universal wheels are combined with expandable supporting legs, the supporting legs are retracted during movement, four-point support is formed during operation, stability is improved, a foldable guardrail, a rotatable storage ladder and a hinged baffle are improved, equipment transportation volume is greatly reduced, and space utilization is improved. The lifting scaffold comprises a frame, a lifting driving mechanism, an operating platform, a ladder and a movable wheel set, wherein the frame is a three-dimensional supporting frame formed by welding metal pipes, the lifting driving mechanism is symmetrically arranged in upright posts on two sides of the frame and comprises a bevel gear screw lifter, a linkage synchronous shaft and a power input mechanism, the operating platform is in sliding connection with the frame through the lifting driving mechanism, foldable guardrails are arranged on the periphery of the platform, a plurality of transverse reinforcing beams are arranged at the bottom of the platform, hinged transparent baffles are arranged at the edges of the platform, the ladder is hinged to the side face of the frame through hinges, a containing groove is formed in the bottom of the ladder, a rotary lifting sliding block mechanism is arranged at the top of the ladder, the movable wheel set comprises four positioning universal wheels and expandable supporting legs, the four positioning universal wheels are fixedly arranged at four corners of the bottom of the frame, the expandable supporting legs are hinged to the lower end of the frame through independent rotating shafts, contact with the ground after being expanded, and are staggered with the universal wheels in position during containing. According to the lifting scaffold, the linkage synchronizing shaft is matched with the bevel gear screw rod lifter, synchronous movement of the lifting shafts at two sides is achieved, the lifter is provided with a self-locking function, a platform is prevented from sliding off during operation, the positioning universal wheels are combined with the expandable supporting legs, the supporting legs are retracted during movement, four-point support is formed during operation, stability is improved, the foldable guardrail, the rotary storage ladder and the hinged baffle are improved, equipment transportation volume is greatly reduced, and space utilization is improved. In addition, the lifting scaffold proposed according to the application can also have the following additional technical characteristics: Specifically, the bevel gear screw rod lifters are vertically arranged in upright posts at two sides of the frame, and the interior of the bevel gear screw rod lifters is fixedly connected with a lifting shaft, and when the bevel gear screw rod lifters rotate, the lifting shaft is driven to slide up and down; the power input mechanism is symmetrically arranged at the outer output ends of the bevel gear screw lifters at two sides and comprises a manual rocking handle and an electric tool interface. Specifically, the horizontal stiffening beam of operation platform adopts cross grid structure welded fastening, collapsible guardrail comprises multistage articulated member, can fold down to flush with the platform, transparent baffle articulates in the platform